Tohutoro APA (7th ed.)
Simmons, M., Hiser, D., & Billington, R. A. Trails West. National Geographic Society, Special Publications Division.
Tohutoru Kātū Chicago (17th ed.)
Simmons, Marc, David Hiser, me Ray Allen Billington. Trails West. Washington, EUA: National Geographic Society, Special Publications Division.
Tohutoro MLA (9th ed.)
Simmons, Marc, et al. Trails West. National Geographic Society, Special Publications Division.
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